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As the communication infrastructure has extended and the number of a smartphone’ users has been rapidly increasing, many companies want to introduce Smart Work. But this means that people have chances to produce or handle their company’s data. If an administrator doesn’t consider a ‘security’ element, the Smart Work will be terrible security threats not a(More)
PURPOSE Early pubertal timing in girls is associated with psychological and behavioral problems. This study aimed to evaluate the psychological features of girls who perceived breast development beginning by analyzing their depression levels and self-concept. METHODS From March 2007 to December 2012, 93 girls were enrolled and assigned to a pre-8 (younger(More)
Wafer-scale arrays of well-ordered Pb(Zr(0.2)Ti(0.8))O3 nanodiscs and nanorings were fabricated on the entire area (10 mm x 10 mm) of the SrRuO3 bottom electrode on an SrTiO3 single-crystal substrate using the laser interference lithography (LIL) process combined with pulsed laser deposition. The shape and size of the nanostructures were controlled by the(More)
Evolution of complex ferroelastic domain structures of PbTiO<sub>3</sub> nano-islands grown epitaxially on Pt(001)/MgO(001) single crystal substrate by chemical solution deposition has been investigated by two-dimensional reciprocal space mapping technique using synchrotron X-ray diffraction. With decreasing lateral size and thickness of the nano-islands,(More)
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